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Oldest Private Schools in California

The average private school in California was founded around 1974 (2026-27).

The oldest private school in California is San Domenico School, founded in 1850.

Quick Facts (2026-27)

# CA Schools Ranked: 2,585
Top 20 Range (Year Founded): 1850–1874
CA School Avg.: 1974
National School Avg.: 1967

Quick Facts (2026-27)

# CA Schools Ranked: 2,585
Top 20 Range (Year Founded): 1850–1874
CA School Avg.: 1974
National School Avg.: 1967

Frequently Asked Questions

What is the California average private schools founding year?

The California average private schools founding year is 1974 for 2026-27.

What are the private schools with oldest founding year in California?

The top ranked private schools in California include San Domenico School, Bellarmine College Preparatory and Edgewood Center For Children & Families.

What is private high school and private elementary school with the oldest founding year in California?

The private high school with the oldest founding year in California is San Domenico School, with a year of 1850. The private elementary school with the oldest founding year is San Domenico School, with a year of 1850.

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